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2 4 4 0.0 0.0 0.0 0.0 0.0 2.0 0.0 2.0 0.0 2.0 0.0 0.0 1 2 3 3 4 1 2 1 4 2 4 3 1 2 6 8 0 -1 0 1 0 0 0 1 0 -1 0 0 0 0 -1 0 0 1 1 2 6 2 3 6 3 4 6 4 1 6 2 1 5 3 2 5 4 3 5 1 4 5 5 3
1.33333333 2.16024690
Info: 本題輸出為浮點數，絕對或相對誤差 1e-6 以下視為正確
Migrated from old NTUJ.
seanwu
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